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  2. Linux Unified Key Setup - Wikipedia

    en.wikipedia.org/wiki/Linux_Unified_Key_Setup

    First, the block device is encrypted using a master key. This master key is encrypted with each active user key. [6] User keys are derived from passphrases, FIDO2 security keys, TPMs or smart cards. [7] [8] The multi-layer approach allows users to change their passphrase without re-encrypting the whole block device. Key slots can contain ...

  3. Master keying - Wikipedia

    en.wikipedia.org/wiki/Master_keying

    For example, master keyed pin tumbler locks often have two shear points at each pin position, one for the change key and one for the master key. A far more secure (and more expensive) system has two cylinders in each lock, one for the change key and one for the master key. Master keyed lock systems generally reduce overall security. [2]

  4. Hardware security module - Wikipedia

    en.wikipedia.org/wiki/Hardware_security_module

    Typically, the keys would be of high value - meaning there would be a significant, negative impact to the owner of the key if it were compromised. The functions of an HSM are: onboard secure cryptographic key generation, onboard secure cryptographic key storage, at least for the top level and most sensitive keys, which are often called master keys,

  5. Master–slave (technology) - Wikipedia

    en.wikipedia.org/wiki/Master–slave_(technology)

    The term master is used in some technology contexts that do not refer to a relationship of control. Master may be used to mean a copy that has more significance than other copies in which case the term is an absolute concept; not a relationship. Sometimes the term master-slave is used in contexts that do not imply a controlling relationship.

  6. Systems architecture - Wikipedia

    en.wikipedia.org/wiki/Systems_architecture

    Example of a high-level systems architecture for a computer. A system architecture is the conceptual model that defines the structure, behavior, and views of a system. [1] An architecture description is a formal description and representation of a system, organized in a way that supports reasoning about the structures and behaviors of the system.

  7. Key management - Wikipedia

    en.wikipedia.org/wiki/Key_management

    A key management system (KMS), also known as a cryptographic key management system (CKMS) or enterprise key management system (EKMS), is an integrated approach for generating, distributing and managing cryptographic keys for devices and applications. They may cover all aspects of security - from the secure generation of keys over the secure ...

  8. Data Protection API - Wikipedia

    en.wikipedia.org/wiki/Data_Protection_API

    DPAPI doesn't store any persistent data for itself; instead, it simply receives plaintext and returns ciphertext (or conversely).. DPAPI security relies upon the Windows operating system's ability to protect the master key and RSA private keys from compromise, which in most attack scenarios is most highly reliant on the security of the end user's credentials.

  9. List of system quality attributes - Wikipedia

    en.wikipedia.org/wiki/List_of_system_quality...

    These are sometimes named architecture characteristics, or "ilities" after the suffix many of the words share. They are usually architecturally significant requirements that require architects' attention. [1] In software architecture, these attributed are known as "architectural characteristic" or non-functional requirements.